*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
ol,ul,dl{
    list-style: none;
}
.flex{
    display: flex;
}

.box{
    position: relative;
    width: 100%;
    height: 520px;
    margin: 0 auto;
    top: 0;
    z-index: 9999;
    &>.ul1{
        width: 100%;
        height: 100%;
        &>li{
            width: 100%;
            height: 100%;
            position: absolute;
            top: 0px;
            left: 0px;
            transition-duration: 1s;
            img{
                width:100%;
                height: 520px;
            }
        } 
    }
    .left {
        width: 30px;
        height: 60px;
        background-color: rgba(255, 255, 255, .8);
        font-size: 20px;
        font-weight: bold;
        color: #ccc;
        text-align: center;
        line-height: 60px;
        border-radius: 0 5px 5px 0;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 9999;
    }

    .right {
        width: 30px;
        height: 60px;
        background-color: rgba(255, 255, 255, .8);
        font-size: 20px;
        font-weight: bold;
        color: #ccc;
        text-align: center;
        line-height: 60px;
        border-radius: 5px 0 0 5px;
        position: absolute;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        z-index: 9999;
    }
    .ul2 {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 20px;
        z-index: 9999;
        li {
            width: 40px;
            height: 4px;
            background-color: #fff;
            float: left;
            margin: 0 10px 0px 10px;
            text-align: center;
            opacity: 0.5;
        }
        li:hover{
            opacity:1;
        }
    }
}
aside{
    text-align: center;
    color: #888;
    margin-bottom: 100px;
    h2{
        margin: 100px 0 30px 0px;
        color:#2b86ed;
        font-size: 2.2rem;
    }
    h4{
        margin-bottom: 40px;
    }
    p{
        line-height: 2.5rem;
    }
}

//三块共用
.aside1{
    width: 80%;
    margin: 0 auto;
    margin-bottom: 7rem;
    display: flex;
    justify-content: space-between;
    text-align: center;
    color: #999;
    line-height: 2rem;
    ul{
        position: relative;
        .lantiao{
            width: 5rem;
            height: 5px;
            background-color: #2b86ed;
            position: absolute;
            left: 50%;
            top: 77%;
            transform: translateX(-50%);
        }
        li:nth-of-type(2){
            font-size: 1rem;
            margin: 20px 0 20px 0;
        }
        p{
            font-size: 14px;
        }
    }
   
}
//结束
.Lt1{
    width: 100%;
    height: 230px;
    background: url(../image/Lt1.png) no-repeat 0px -75px;
    background-size: 100%;
    margin-bottom: 10rem;
}
//响应式时,不要这个部分
.Lt2{
    width: 100%;
    height: 400px;
    background: url(../image/Lt2.png) no-repeat 0px -75px;
    background-size: 100%;
    margin-bottom: 10rem;
    color:#fff;
    text-align: center;

        h2{
            margin: 100px 0 30px 0px;
            font-size: 2.2rem;
            display: inline-block;
        }
        p{
            font-size: 1rem;
        }
        button{
            background-color: #fff;
            border: none;
            border-radius: 50px;
            width: 156px;
            height: 46px;
            margin-top: 2rem;
            a{
                font-size: 16px;
                text-decoration: none;
                color: #2b86ed;
            }
        }
}
.aside2{
    width: 80%;
    margin: 0 auto;
    div:nth-child(1){
        color: #888;
        h2{
            margin: 100px 0 30px 20px;
            color:#2b86ed;
            font-size: 2.2rem;
        }
        h4{
            margin:0 0 40px 20px;
        }
        ul{
            font-size: 14px;
            li{
                line-height: 2rem;
                margin-right: 2rem;
                img{
                    max-width:350px;
                 }
            }
        }
    }
    div:nth-child(2){
        margin-bottom: 4rem;
        height: 830px;
        div:nth-child(1){
            height: 26rem;
            margin-bottom: 1rem;
            img{
                width: auto;
                height: 25rem;
                transition-duration: 1s;
            }
            img:hover{
                width: auto;
                height: 26rem;
             }
        }
        div:nth-child(2){
            img:nth-child(1){
                width: auto;
                height: 20rem;
                margin-right: 2rem;
                transition-duration: 1s;
            }
            img:nth-child(1):hover{
                width: auto;
                height: 21rem;
                margin-right: 1rem;
            }
            img:nth-child(2){
                max-width: 600px;
                height: 300px;
                transition-duration: 1s;
            }
            img:nth-child(2):hover{
                max-width: 616px;
                height: 316px;
            }
        }
    }
}
.m5{
    width: 80%;
    margin: 0 auto;
    img{
        width: 100%;
        height: 100%;
    }
}